Obi Rope 3 for Unity: what’s new
Obi Rope 3.0 is compatible with Obi Cloth 3 and Obi Fluid 3. It inherits all the improvements made to the core solver as part of the 3.x development cycle. But more importantly, it introduces a lot of rope-specific features that have been highly demanded.
Here we’ll outline some of the most important additions to Obi Rope 3.0:
Procedural geometry smoothing
Back in Obi Rope 1.x, procedural rope geometry was generated by directly using the particle representation of the rope. Because of this, ropes made of few particles had a very polygonal look:
To increase the smoothness of the geometry, you had to increase the amount of particles in the rope. However this has a negative impact on performance and convergence speed, leaving you between a rock and a hard place. In 3.0 we introduce a fast, non-recursive curve smoothing algorithm that can tesselate the geometry while keeping the same particle resolution:
This allows for extremely smooth-looking ropes that are also very fast to simulate and render.
Breakable ropes
Ropes can now be teared based on a per-particle tension threshold. Also, any prefab can be instantiated at the cut sites. Rendering torn fibers or spawning particles from ripped off wires can be done just by dragging a prefab to the rope inspector.
Dynamic resizing
In 1.x the only way to change rope length at runtime was to change the length of the distance constraints holding particles together. This of course kept the particle resolution constant, opening gaps in the rope and altering its behaviour.
In 3.0, new particles and constraints can be dynamically added at any point of the rope -even in the middle-, in any direction. All thanks to the new ObiRopeCursor component.
And yes, this works with tearable ropes too:
Stitch constraints
You can now stitch together separate ropes to create t-junctions, nets, and all kinds of multi-rope setups:
With this release, all our Obi products now sit in the 3.x framework and we are ready to move on to more new and exciting features. 🙂
Visit our official website for Obi to find more information.
The VM team
This is incredible, but why can’t I find a Unity forum thread about this asset? It would be very helpful to see the experiences other users had with this.
Well, nobody created a thread. But you can still see some movement for now on the Taiga website, the support website. Find it here: obi.virtualmethodstudio.com
[EDIT] Now there’s a community forum, bug tracker and a lot of information available at http://obi.virtualmethodstudio.com
When you are planning to support PS4 platform?
Hi Tom,
Working on it, but our lack of expertise with the platform makes it hard to give an accurate ETA.
the best Dynamic Rope ever! 🙂 Do you have any plan to sell this in Unreal Engine 4?
We have a guy working on this. However Unreal is a completely different beast compared to Unity, so it will take time to get it working. But we definitely want to move in this direction 🙂
I have a problem when using obi rope 3.1 with obi cloth 3.0.1
Go to our forum http://obi.virtualmethodstudio.com
It looks amazing, but I’d like to know, is there a possibility to buy a demo or light version, that I could try to implement into my project and return if it won’t fit?
Hi! There’s no demo version. If you have concerns about its features or capabilities, please, join our official forums at obi.virtualmethodstudio.com. Thanks!
Hi,
i want to use this plugin for a Hololens project but as mentioned its not supported on UWP platform. I just want to use it in Hololens and not in phone , can i buy it..? is there any way to use it in Hololens.
Thanks
Hi,
As far as we know, all Hololens apps run under UWP. So no support for Hololens yet, sorry.
Hi,
just wanna ask if u are working on UWP platform support.. and when can we expect it if yes..?
Could this be used together with unity cloth to simulate rope keeping the cloth on a sailboat on his place?
All Obi packages are meant to be used together. You have to know how to develop code, and understand Unity very well to get full potential. Have a look:
https://www.youtube.com/watch?v=aY0IEIJek9U
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